116642553 has 32 divisors (see below), whose sum is σ = 169036800. Its totient is φ = 71366400.

The previous prime is 116642551. The next prime is 116642569. The reversal of 116642553 is 355246611.

It is not a de Polignac number, because 116642553 - 2¹ = 116642551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116642551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164163 + ... + 164871.

It is an arithmetic number, because the mean of its divisors is an integer number (5282400).

Almost surely, 2^116642553 is an apocalyptic number.

It is an amenable number.

116642553 is a deficient number, since it is larger than the sum of its proper divisors (52394247).

116642553 is a wasteful number, since it uses less digits than its factorization.

116642553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its digits is 21600, while the sum is 33.

The square root of 116642553 is about 10800.1181937977. The cubic root of 116642553 is about 488.5987357287.

The spelling of 116642553 in words is "one hundred sixteen million, six hundred forty-two thousand, five hundred fifty-three".